AJR Filtration - Who We Are and What We Do

AJR Filtration, Inc. has grown to become an industry-leading manufacturer of high quality engineered liquid and dust filtration products made in the USA. Our 150,000 square foot facility located in West Chicago, Illinois is at the hub of distribution routes serving the United States, North and South America as well as overseas destinations. Family owned since 1997, we take personal pride in superior customer service and comprehensive technical support. Our goal is to achieve a "Most Valued Supplier" status with every customer.

Family Owned, Second Generation Manufacturer

Fastest Lead Times

Our large in-house inventory of raw materials and free stocking programs allow AJR to get many products out the same day. Running two production shifts five to six days a week, along with extensive filter media and component inventory, means no down time or delays. Once your order has been placed, it moves directly into production.  Most filters produced from in-house components ship within five to seven days.

Custom Filters

AJR's team of experts have many years of experience in the liquid and dust filtration industries. With an understanding of your filtration processes and goals, we can design and manufacture a custom filter solution to meet and exceed your needs. All custom products have an individual part number assigned to them exclusive to your company, and will not be sold to anyone else.

No Hidden Costs – Waived Fees For The Following:

  • Private labeling
  • Broken case quantities
  • Part set-ups
  • Most types of samples
  • Stocking programs


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Replacements for Pall FSI Filter Products

Pall Corporation announced the discontinuation of all FSI filter products. AJR Filtration and Delta Pure Filtration are uniquely positioned to supply replacements of discontinued Pall FSI products in many key product categories, below.


We are the nation's leading independent manufacturer of quality filtration products.  Our experienced sales and customer service teams are available to help you select replacement filters with comparable performance standards.  AJR has extensive on-hand inventory of mesh, felt, and microfiber media to address the most challenging filtration applications. Backed by the industry’s fastest lead times and competitive pricing, make AJR your most trusted choice to help you with this transition. All filter bag products are manufactured at our new state-of-the-art manufacturing headquarters in West Chicago, IL. For more information, technical support, or samples, contact AJR at 630-377-8886.


Contact AJR Filtration Today For Your Filtration Solutions!







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